Home / 111,624.40-167,436.60-74,234.80

Finding the Fourth Proportional to 111,624.40, 167,436.60 and 74,234.80

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Solution

The fourth proportional to 111,624.40, 167,436.60 and 74,234.80 is: 111,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,624.40 : 167,436.60 = 74,234.80 : x
  2. Step 2: Convert to fraction form
    111,624.40/167,436.60 = 74,234.80/x
  3. Step 3: Cross multiply
    111,624.40x = 167,436.60 × 74,234.80
  4. Step 4: Simplify right side
    111,624.40x = 12,429,622,513.68
  5. Step 5: Solve for x
    x = 12,429,622,513.68/111,624.40
  6. Step 6: Final answer
    x = 111,352.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.